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Finding the Third Proportional to 28,822 and 43,618

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Solution

The third proportional to 28,822 and 43,618 is: 66,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822 : 43,618 = 43,618 : x
  2. Step 2: Convert to fraction form
    28,822/43,618 = 43,618/x
  3. Step 3: Cross multiply
    28,822x = 43,618 × 43,618
  4. Step 4: Simplify right side
    28,822x = 1,902,529,924
  5. Step 5: Solve for x
    x = 1,902,529,924/28,822
  6. Step 6: Final answer
    x = 66,009.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.